Science is one thing, wisdom is another. Science is an edged tool, with which men play like children, and cut their own fingers.

It cannot be denied that for a society which has to create scarcity to save its members from starvation, to whom abundance spells disaster, and to whom unlimited energy means unlimited power for war and destruction, there is an ominous cloud in the distance though at present it be no bigger than a man's hand.

Who will observe the observers?

Our ultimate analysis of space leads us not to a "here" and a "there," but to an extension such as that which relates "here" and "there." To put the conclusion rather crudely-space is not a lot of points close together; it is a lot of distances interlocked.

It is reasonable to hope that in the not too distant future we shall be competent to understand so simple a thing as a star.

So far as physics is concerned, time's arrow is a property of entropy alone.

In any attempt to bridge the domains of experience belonging to the spiritual and physical sides of nature, time occupies the key position.